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Added in API level 1

Build

public class Build
extends Object

java.lang.Object
↳	android.os.Build

Information about the current build, extracted from system properties.

Summary

Nested classes
`class`	`Build.VERSION` Various version strings.
`class`	`Build.VERSION_CODES` Enumeration of the currently known SDK version codes.

Constants
`String`	`UNKNOWN` Value used for when a build property is unknown.

Fields
`public static final String`	`BOARD` The name of the underlying board, like "goldfish".
`public static final String`	`BOOTLOADER` The system bootloader version number.
`public static final String`	`BRAND` The consumer-visible brand with which the product/hardware will be associated, if any.
`public static final String`	`CPU_ABI` This field was deprecated in API level 21. Use `SUPPORTED_ABIS` instead.
`public static final String`	`CPU_ABI2` This field was deprecated in API level 21. Use `SUPPORTED_ABIS` instead.
`public static final String`	`DEVICE` The name of the industrial design.
`public static final String`	`DISPLAY` A build ID string meant for displaying to the user
`public static final String`	`FINGERPRINT` A string that uniquely identifies this build.
`public static final String`	`HARDWARE` The name of the hardware (from the kernel command line or /proc).
`public static final String`	`HOST`
`public static final String`	`ID` Either a changelist number, or a label like "M4-rc20".
`public static final String`	`MANUFACTURER` The manufacturer of the product/hardware.
`public static final String`	`MODEL` The end-user-visible name for the end product.
`public static final String`	`PRODUCT` The name of the overall product.
`public static final String`	`RADIO` This field was deprecated in API level 14. The radio firmware version is frequently not available when this class is initialized, leading to a blank or "unknown" value for this string. Use `getRadioVersion()` instead.
`public static final String`	`SERIAL` A hardware serial number, if available.
`public static final String[]`	`SUPPORTED_32_BIT_ABIS` An ordered list of 32 bit ABIs supported by this device.
`public static final String[]`	`SUPPORTED_64_BIT_ABIS` An ordered list of 64 bit ABIs supported by this device.
`public static final String[]`	`SUPPORTED_ABIS` An ordered list of ABIs supported by this device.
`public static final String`	`TAGS` Comma-separated tags describing the build, like "unsigned,debug".
`public static final long`	`TIME`
`public static final String`	`TYPE` The type of build, like "user" or "eng".
`public static final String`	`USER`

Public constructors
`Build()`

Public methods
`static String`	`getRadioVersion()` Returns the version string for the radio firmware.

Inherited methods

From class java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

UNKNOWN

Added in API level 8

String UNKNOWN

Value used for when a build property is unknown.

Constant Value: "unknown"

Fields

BOARD

Added in API level 1

String BOARD

The name of the underlying board, like "goldfish".

BOOTLOADER

Added in API level 8

String BOOTLOADER

The system bootloader version number.

BRAND

Added in API level 1

String BRAND

The consumer-visible brand with which the product/hardware will be associated, if any.

CPU_ABI

Added in API level 4

String CPU_ABI

This field was deprecated in API level 21.
Use SUPPORTED_ABIS instead.

The name of the instruction set (CPU type + ABI convention) of native code.

CPU_ABI2

Added in API level 8

String CPU_ABI2

This field was deprecated in API level 21.
Use SUPPORTED_ABIS instead.

The name of the second instruction set (CPU type + ABI convention) of native code.

DEVICE

Added in API level 1

String DEVICE

The name of the industrial design.

DISPLAY

Added in API level 3

String DISPLAY

A build ID string meant for displaying to the user

FINGERPRINT

Added in API level 1

String FINGERPRINT

A string that uniquely identifies this build. Do not attempt to parse this value.

HARDWARE

Added in API level 8

String HARDWARE

The name of the hardware (from the kernel command line or /proc).

HOST

Added in API level 1

String HOST

ID

Added in API level 1

String ID

Either a changelist number, or a label like "M4-rc20".

MANUFACTURER

Added in API level 4

String MANUFACTURER

The manufacturer of the product/hardware.

MODEL

Added in API level 1

String MODEL

The end-user-visible name for the end product.

PRODUCT

Added in API level 1

String PRODUCT

The name of the overall product.

RADIO

Added in API level 8

String RADIO

This field was deprecated in API level 14.
The radio firmware version is frequently not available when this class is initialized, leading to a blank or "unknown" value for this string. Use getRadioVersion() instead.

The radio firmware version number.

SERIAL

Added in API level 9

String SERIAL

A hardware serial number, if available. Alphanumeric only, case-insensitive.

SUPPORTED_32_BIT_ABIS

Added in API level 21

String[] SUPPORTED_32_BIT_ABIS

An ordered list of 32 bit ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_ABIS and SUPPORTED_64_BIT_ABIS.

SUPPORTED_64_BIT_ABIS

Added in API level 21

String[] SUPPORTED_64_BIT_ABIS

An ordered list of 64 bit ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_ABIS and SUPPORTED_32_BIT_ABIS.

SUPPORTED_ABIS

Added in API level 21

String[] SUPPORTED_ABIS

An ordered list of ABIs supported by this device. The most preferred ABI is the first element in the list. See SUPPORTED_32_BIT_ABIS and SUPPORTED_64_BIT_ABIS.

TIME

Added in API level 1

long TIME

TYPE

Added in API level 1

String TYPE

The type of build, like "user" or "eng".

USER

Added in API level 1

String USER

Public constructors

Build

Added in API level 1

Build ()

Public methods

getRadioVersion

Added in API level 14

String getRadioVersion ()

Returns the version string for the radio firmware. May return null (if, for instance, the radio is not currently on).

Returns
`String`

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Build

Summary

Nested classes

Constants

Fields

Public constructors

Public methods

Inherited methods

Constants

UNKNOWN

Fields

BOARD

BOOTLOADER

BRAND

CPU_ABI

CPU_ABI2

DEVICE

DISPLAY

FINGERPRINT

HARDWARE

HOST

ID

MANUFACTURER

MODEL

PRODUCT

RADIO

SERIAL

SUPPORTED_32_BIT_ABIS

SUPPORTED_64_BIT_ABIS

SUPPORTED_ABIS

TAGS

TIME

TYPE

USER

Public constructors

Build

Public methods

getRadioVersion